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Jun 16, 2020 at 11:03 history edited CommunityBot
Commonmark migration
May 3, 2017 at 20:33 comment added Erik @StephenG en.wikipedia.org/wiki/Hemocyanin ; most famous user is en.wikipedia.org/wiki/Horseshoe_crab
May 3, 2017 at 20:28 comment added StephenG - Help Ukraine @highpriestofpie : I'd still have doubts about the likelihood of Iron remaining rare in the crust while being present in anything approaching normal abundancies in the interior. I'd expect normal processes (e.g. vulcanism and the flow of hot material to the surface ) to lead to higher levels of Iron in the crust than you are outlining. Of course that's a gut instinct - I'm no expert on this. Again maybe consulting a real expert on such matters would be more useful than even this forum.
May 3, 2017 at 20:23 comment added StephenG - Help Ukraine @Erik : I'd be personally interested in a link to some info on creatures that don't use Iron in their blood - sounds intriguing.
May 3, 2017 at 17:27 comment added highpriestofpie Iron is certainly present, and still forms the core of my world, there is just very little of it near the surface, making it incredibly difficult to access.
May 3, 2017 at 15:14 comment added Erik There's a number of creatures around that don't use iron in their blood. But I think they all use SOME metal to bind the oxygen.
May 3, 2017 at 0:48 history answered StephenG - Help Ukraine CC BY-SA 3.0